[dts] [PATCH]tests multiprocess: fix commands send to wrong session

[Lijuan Tu <lijuanx.a.tu@intel.com>]

if alt_session is running app simple_mp
kill_all send shell-cmd to alt_session
so exception happened

Signed-off-by: Lijuan Tu <lijuanx.a.tu@intel.com>
---
 tests/TestSuite_multiprocess.py | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/tests/TestSuite_multiprocess.py b/tests/TestSuite_multiprocess.py
index 7bc005d..7cce1f4 100644
--- a/tests/TestSuite_multiprocess.py
+++ b/tests/TestSuite_multiprocess.py
@@ -73,17 +73,33 @@ class TestMultiprocess(TestCase, IxiaPacketGenerator):
         """
         Run before each test case.
         """
-        pass
+        self.kill_mp()
+
+    def kill_mp(self):
+        """
+        Kill all simple_mp applications
+        """
+        self.alt_session = False
+        try:
+            out = self.dut.send_expect("ps -a |grep simple_mp |awk '{print $1}'", "# ")
+        except:
+            self.alt_session = True
+            out = self.dut.alt_session.send_expect("ps -a |grep simple_mp |awk '{print $1}'", "# ")
+        if len(out):
+            pids = out.split('\r\n')
+            for pid in pids:
+                self.dut.send_expect('kill -9 %s' % pid, '# ', alt_session=self.alt_session )
+                self.dut.get_session_output(timeout=2)
 
     def test_multiprocess_simple_mpbasicoperation(self):
         """
         Basic operation.
         """
+
         # Send message from secondary to primary
         self.dut.send_expect("./examples/multi_process/simple_mp/simple_mp/%s/simple_mp -n 1 -c 3 --proc-type=primary" % self.target, "Finished Process Init", 100)
         time.sleep(20)
         self.dut.alt_session.send_expect("./examples/multi_process/simple_mp/simple_mp/%s/simple_mp -n 1 -c C --proc-type=secondary" % self.target, "Finished Process Init", 100)
-
         self.dut.alt_session.send_expect("send hello_primary", ">")
         out = self.dut.get_session_output()
         self.dut.alt_session.send_expect("quit", "# ")
@@ -106,9 +122,6 @@ class TestMultiprocess(TestCase, IxiaPacketGenerator):
         Load test of Simple MP application.
         """
 
-        self.dut.kill_all()
-        self.dut.send_expect("fg", "# ")
-
         self.dut.alt_session.send_expect("./examples/multi_process/simple_mp/simple_mp/%s/simple_mp -n 1 -c 3 --proc-type=primary" % self.target, "Finished Process Init", 100)
         time.sleep(20)
         self.dut.send_expect("./examples/multi_process/simple_mp/simple_mp/%s/simple_mp -n 1 -c C --proc-type=secondary" % self.target, "Finished Process Init", 100)
@@ -129,8 +142,6 @@ class TestMultiprocess(TestCase, IxiaPacketGenerator):
         Test use of Auto for Application Startup.
         """
 
-        self.dut.kill_all()
-
         # Send message from secondary to primary (auto process type)
         out = self.dut.send_expect("./examples/multi_process/simple_mp/simple_mp/%s/simple_mp -n 1 -c 3 --proc-type=auto " % self.target, "Finished Process Init", 100)
         self.verify("EAL: Auto-detected process type: PRIMARY" in out, "The type of process (PRIMARY) was not detected properly")
@@ -163,8 +174,6 @@ class TestMultiprocess(TestCase, IxiaPacketGenerator):
         """
         Multiple processes without "--proc-type" flag.
         """
-
-        self.dut.kill_all()
         self.dut.alt_session.send_expect("./examples/multi_process/simple_mp/simple_mp/%s/simple_mp -n 1 -c 3 -m 64" % self.target, "Finished Process Init", 100)
         out = self.dut.send_expect("./examples/multi_process/simple_mp/simple_mp/%s/simple_mp -n 1 -c C" % self.target, "# ", 100)
 
@@ -257,6 +266,6 @@ class TestMultiprocess(TestCase, IxiaPacketGenerator):
         """
         Run after each test suite.
         """
-        self.dut.kill_all()
+        self.kill_mp()
 
         pass
-- 
1.9.1